There are over 7 billion people living on the earth right now. Tens of millions are born and die each year. Every single one of us leaves signs of our existence in the air, water, soil -- even space.

Looked at another way, if one were to measure our planet's age as a single 24-hour day, the first human civilizations would appear less than a second before midnight. The geological time scale ...

The first human migrations out of Africa are thought ... are considered part of the same vast civilization, the Indus Valley Civilization, which thrived from 2600 to 1900 BCE.

What species will become the next rulers of Earth when humans are no longer dominant? Which creatures might inherit the throne?

There’s no doubt that McLeod County has a rich history. From the Dakota campsites in Hutchinson and Glencoe, to remarkable stories of Martin McLeod and the Hutchinson singers, this county is ...